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发明名称
Two-stage pump
摘要
申请公布号
US2440560(A)
申请公布日期
1948.04.27
申请号
US19460712632
申请日期
1946.11.27
申请人
AMERICAN-LA FRANCE-FOAMITE CORPORATION
发明人
SHEPPARD ALLAN G.
分类号
F04D1/10
主分类号
F04D1/10
代理机构
代理人
主权项
地址
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